Router can't connect to the internet
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Posted by John Lettiere on June 6, 2007, 4:07 pm
Please log in for more thread options fine. Upgraded the firmware to the latest version with no trouble. No problems connecting my two laptops wirelessly, or my desktop via RJ45 cable through the router to my home network, or getting on the internet. But as of yesterday (June 5) I lost my internet connection. I tied rebooting both the router and cable modem (Motorola) several times, but that didn't work, though I still have my home network working, but still no internet. I called my cable provider for help, and the tech told me to disconnect the internet cable from the router and plug that into my desktop as the router was causing the problem, said something about the router automatically updating something, I have no idea what the router could have updated? So I disconnected the internet cable from the router and plugged that cable into my desktop. Once I did that I got my internet connection back, but now my two laptops can't connect to the net through the router, either wirelessly or by RJ45 cable. I tried hooking up and resetting the router again today, but it still doesn't see my internet connection. Outside of something being physically wrong with the router, I'm at a total loss as to what the problem is. My OS is Win XP Pro with SR2. If any one has an answer to this headache it would be much appreciated. Thanks in advance. -- JL If it can't be done in bed, it ain't worth doing.........Dave Van Ronk. | |||||||||||||||||||
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Posted by HDRDTD on June 6, 2007, 4:12 pm
Please log in for more thread options of your PC network card. When you use the wireless router inbetween the PC and the cable modem, the cable modem now sees the MAC address of the woreless router rather than the one belonging to the network card in your PC. There should be a setting in the wireless router that allows you to 'change' the MAC address of the router to the one in your PC. | |||||||||||||||||||
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Posted by kony on June 6, 2007, 4:53 pm
Please log in for more thread options On Wed, 6 Jun 2007 16:07:54 -0400, "John Lettiere"
>I just bought a Linksis WRT54GL wireless router (May 28), and everything was
>fine. Upgraded the firmware to the latest version with no trouble. > >No problems connecting my two laptops wirelessly, or my desktop via RJ45 >cable through the router to my home network, or getting on the internet. > >But as of yesterday (June 5) I lost my internet connection. Had you changed any router settings? If you bring up a command prompt (Windows' Start Menu - Run - "CMD" , then type "ipconfig /all" (this is while connected through the router, perhaps rebooting the PC first would be best), does the PC have the router's IP address as the Gateway, and if you are using it's DHCP server function is that also the same IP address (it might be 192.168.0.1 or whatever the default unless you'd changed it ) Does it list DNS servers? Have you tried pinging an IP address on the internet instead of a domain name? For example you could (still at command prompt) "ping yahoo.com" "ping 216.109.120.203" (which is also a yahoo system, confirmed to reply to a ping) Then note whether either go through. >
>I tied rebooting both the router and cable modem (Motorola) several times, >but that didn't work, though I still have my home network working, but still >no internet. Does your modem have a browser interface? Some Motorolas can be accessed at (if you haven't changed the defaults of anything), http://192.168.100.1/ If you can access a modem there, see if there is a Status page, a Signal page, and/or a Log. Note anything that seems out of order on these pages and for the signal it should be an upstream value of at least 24+dBmV (might not be required to be this high but it would be expected) and downstream of at least -15 dBmV (any lower and it could be a problem). If your downstream is lower, you might have bad cabling or too many splitters before the modem. Ideally you would have no splitters but obviously that can't be the case unless you have absolutely nothing else hooked up to cable (no TVs, etc), otherwise the fewer the # of splitters the better. >
>I called my cable provider for help, and the tech told me to disconnect the >internet cable from the router and plug that into my desktop as the router >was causing the problem, said something about the router automatically >updating something, I have no idea what the router could have updated? If your router is using it's defaults you probably have a browser interface for it as well. Some default to http://192.168.0.1/ but check your manual if that isn't it. If it appears you have the right IP address and can't bring it's page up, power cycle it and compare your PC's LAN IP address to see if in same range. If you can access it, note any information that seems significant. >
>So I disconnected the internet cable from the router and plugged that cable >into my desktop. > >Once I did that I got my internet connection back, but now my two laptops >can't connect to the net through the router, either wirelessly or by RJ45 >cable. Does your cable provider require you register the MAC address with them? It would seem not, since it worked after you removed the router but with some cable providers it is an issue. >
>I tried hooking up and resetting the router again today, but it still >doesn't see my internet connection. Basically you need to start at the PC and see how far you can get. At the PC, ping the router (as above, your router IP address might be 192.168.0.1, whatever it is, remember that number). If you can't get a reply from that ping then note your IP address of the system compared to the router. Try to open the router browser page and see what it reports, including the log. Try pinging the modem's IP #, does it reply? If your modem and/or router have some diagnostic / status LEDs on them, are the correct ones illuminated? At the command prompt you could also do a tracert. For example, "tracert yahoo.com" then watch to see where it stops, the last IP address if it doesn't make it all the way to Yahoo. Similarly tracert the IP address listed above, "tracert 216.109.120.203" and note whether it makes it any further. >
>Outside of something being physically wrong with the router, I'm at a total >loss as to what the problem is. Could be something wrong with it. Seems unlikely for it to fail in a short period of time since it's not old and was working previously, but not impossible. >
>My OS is Win XP Pro with SR2. > >If any one has an answer to this headache it would be much appreciated. > >Thanks in advance. | |||||||||||||||||||
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Posted by John Lettiere on June 6, 2007, 5:30 pm
Please log in for more thread options > Had you changed any router settings?
Nope. > If you bring up a command prompt (Windows' Start Menu - Run
> - "CMD" , then type "ipconfig /all" (this is while > connected through the router, perhaps rebooting the PC first > would be best), does the PC have the router's IP address as > the Gateway, and if you are using it's DHCP server function > is that also the same IP address (it might be 192.168.0.1 I was thinking of doing this, thanks. or > whatever the default unless you'd changed it )
No, I haven't changed anything. I'll give this a shot, and let you know if it worked. >
> Does it list DNS servers? Have you tried pinging an IP > address on the internet instead of a domain name? For > example you could (still at command prompt) > "ping yahoo.com" > "ping 216.109.120.203" (which is also a yahoo system, > confirmed to reply to a ping) > Then note whether either go through. I will try this also, thanks. > Does your modem have a browser interface?
Not that I know of. Some Motorolas > can be accessed at (if you haven't changed the defaults of
> anything), > http://192.168.100.1/ I doubt it's the modem since it was working fine with the router for over a week til yesterday, and the cable company tech saw no problems with it either, but I'll check. > If you can access a modem there, see if there is a Status
> page, a Signal page, and/or a Log. Note anything that seems > out of order on these pages and for the signal it should be > an upstream value of at least 24+dBmV (might not be required > to be this high but it would be expected) and downstream of > at least -15 dBmV (any lower and it could be a problem). If > your downstream is lower, you might have bad cabling or too > many splitters before the modem. Ideally you would have no > splitters but obviously that can't be the case unless you > have absolutely nothing else hooked up to cable (no TVs, > etc), otherwise the fewer the # of splitters the better. > Two splitters, but it's never made a difference in 4 years. Why would it start now? The only thing that was changed was the router. Thank for your help kony, I'll be back with an up date. -- John Lettiere JL Computer Services & Consulting http://perfcomp.homestead.com/Prefcomp2.html You don't need a weatherman to know which way the wind blows..............Bob Dylan > On Wed, 6 Jun 2007 16:07:54 -0400, "John Lettiere"
> >>I just bought a Linksis WRT54GL wireless router (May 28), and everything
>>was >>fine. Upgraded the firmware to the latest version with no trouble. >> >>No problems connecting my two laptops wirelessly, or my desktop via RJ45 >>cable through the router to my home network, or getting on the internet. >> >>But as of yesterday (June 5) I lost my internet connection. >
> Had you changed any router settings? > If you bring up a command prompt (Windows' Start Menu - Run > - "CMD" , then type "ipconfig /all" (this is while > connected through the router, perhaps rebooting the PC first > would be best), does the PC have the router's IP address as > the Gateway, and if you are using it's DHCP server function > is that also the same IP address (it might be 192.168.0.1 or > whatever the default unless you'd changed it ) > > Does it list DNS servers? Have you tried pinging an IP > address on the internet instead of a domain name? For > example you could (still at command prompt) > "ping yahoo.com" > "ping 216.109.120.203" (which is also a yahoo system, > confirmed to reply to a ping) > Then note whether either go through. > > >>
>>I tied rebooting both the router and cable modem (Motorola) several times, >>but that didn't work, though I still have my home network working, but >>still >>no internet. >
> Does your modem have a browser interface? Some Motorolas > can be accessed at (if you haven't changed the defaults of > anything), > http://192.168.100.1/ > If you can access a modem there, see if there is a Status > page, a Signal page, and/or a Log. Note anything that seems > out of order on these pages and for the signal it should be > an upstream value of at least 24+dBmV (might not be required > to be this high but it would be expected) and downstream of > at least -15 dBmV (any lower and it could be a problem). If > your downstream is lower, you might have bad cabling or too > many splitters before the modem. Ideally you would have no > splitters but obviously that can't be the case unless you > have absolutely nothing else hooked up to cable (no TVs, > etc), otherwise the fewer the # of splitters the better. > > > >>
>>I called my cable provider for help, and the tech told me to disconnect >>the >>internet cable from the router and plug that into my desktop as the router >>was causing the problem, said something about the router automatically >>updating something, I have no idea what the router could have updated? >
> If your router is using it's defaults you probably have a > browser interface for it as well. Some default to > http://192.168.0.1/ > but check your manual if that isn't it. If it appears you > have the right IP address and can't bring it's page up, > power cycle it and compare your PC's LAN IP address to see > if in same range. If you can access it, note any > information that seems significant. > >>
>>So I disconnected the internet cable from the router and plugged that >>cable >>into my desktop. >> >>Once I did that I got my internet connection back, but now my two laptops >>can't connect to the net through the router, either wirelessly or by RJ45 >>cable. >
> Does your cable provider require you register the MAC > address with them? It would seem not, since it worked after > you removed the router but with some cable providers it is > an issue. > > > >>
>>I tried hooking up and resetting the router again today, but it still >>doesn't see my internet connection. >
> Basically you need to start at the PC and see how far you > can get. At the PC, ping the router (as above, your router > IP address might be 192.168.0.1, whatever it is, remember > that number). If you can't get a reply from that ping then > note your IP address of the system compared to the router. > Try to open the router browser page and see what it reports, > including the log. Try pinging the modem's IP #, does it > reply? If your modem and/or router have some diagnostic / > status LEDs on them, are the correct ones illuminated? > > At the command prompt you could also do a tracert. For > example, > "tracert yahoo.com" > then watch to see where it stops, the last IP address if it > doesn't make it all the way to Yahoo. Similarly tracert the > IP address listed above, > "tracert 216.109.120.203" > and note whether it makes it any further. > > >>
>>Outside of something being physically wrong with the router, I'm at a >>total >>loss as to what the problem is. >
> Could be something wrong with it. Seems unlikely for it to > fail in a short period of time since it's not old and was > working previously, but not impossible. > > >>
>>My OS is Win XP Pro with SR2. >> >>If any one has an answer to this headache it would be much appreciated. >> >>Thanks in advance. >
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Posted by DaveW on June 6, 2007, 6:42 pm
Please log in for more thread options It sounds like your router has physically failed. Return it.
-- --------------------- DaveW >I just bought a Linksis WRT54GL wireless router (May 28), and everything
>was fine. Upgraded the firmware to the latest version with no trouble. > > No problems connecting my two laptops wirelessly, or my desktop via RJ45 > cable through the router to my home network, or getting on the internet. > > But as of yesterday (June 5) I lost my internet connection. > > I tied rebooting both the router and cable modem (Motorola) several times, > but that didn't work, though I still have my home network working, but > still no internet. > > I called my cable provider for help, and the tech told me to disconnect > the internet cable from the router and plug that into my desktop as the > router was causing the problem, said something about the router > automatically updating something, I have no idea what the router could > have updated? > > So I disconnected the internet cable from the router and plugged that > cable into my desktop. > > Once I did that I got my internet connection back, but now my two laptops > can't connect to the net through the router, either wirelessly or by RJ45 > cable. > > I tried hooking up and resetting the router again today, but it still > doesn't see my internet connection. > > Outside of something being physically wrong with the router, I'm at a > total loss as to what the problem is. > > My OS is Win XP Pro with SR2. > > If any one has an answer to this headache it would be much appreciated. > > Thanks in advance. > > -- > JL > > If it can't be done in bed, it ain't worth doing.........Dave Van Ronk. > | |||||||||||||||||||
>was fine. Upgraded the firmware to the latest version with no trouble.
>
> No problems connecting my two laptops wirelessly, or my desktop via RJ45
> cable through the router to my home network, or getting on the internet.
>
> But as of yesterday (June 5) I lost my internet connection.
>
> I tied rebooting both the router and cable modem (Motorola) several times,
> but that didn't work, though I still have my home network working, but
> still no internet.
>
> I called my cable provider for help, and the tech told me to disconnect
> the internet cable from the router and plug that into my desktop as the
> router was causing the problem, said something about the router
> automatically updating something, I have no idea what the router could
> have updated?
>
> So I disconnected the internet cable from the router and plugged that
> cable into my desktop.
>
> Once I did that I got my internet connection back, but now my two laptops
> can't connect to the net through the router, either wirelessly or by RJ45
> cable.
>
> I tried hooking up and resetting the router again today, but it still
> doesn't see my internet connection.
>
> Outside of something being physically wrong with the router, I'm at a
> total loss as to what the problem is.
>
> My OS is Win XP Pro with SR2.
>
> If any one has an answer to this headache it would be much appreciated.
>
> Thanks in advance.
>
> --
> JL
>
> If it can't be done in bed, it ain't worth doing.........Dave Van Ronk.
>